.tags_block .block_content {
  overflow: hidden; }
  .tags_block .block_content a {
    display: inline-block;
    font-size: 13px;
    line-height: 16px;
    font-weight: bold;
    padding: 4px 9px 5px 9px;
    border: 1px solid #d6d4d4;
    float: left;
    margin: 0 3px 3px 0; }
    .tags_block .block_content a:hover {
      color: #333333;
      background: #f6f6f6; }
a.tag_level4 { font-size: 2.2em; font-weight: bold }
a.tag_level3 { font-size: 1.8em; font-weight: bold }
a.tag_level2 { font-size: 1.4em }
a.tag_level1 { font-size: 1em;  }